Finding the Fourth Proportional to 212,523,683.36, 293,284,320.64 and 119,695,506.08
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Solution
The fourth proportional to 212,523,683.36, 293,284,320.64 and 119,695,506.08 is: 165,180,720.71
Step by Step Solution
- Step 1: Write the proportion equation
212,523,683.36 : 293,284,320.64 = 119,695,506.08 : x - Step 2: Convert to fraction form
212,523,683.36/293,284,320.64 = 119,695,506.08/x - Step 3: Cross multiply
212,523,683.36x = 293,284,320.64 × 119,695,506.08 - Step 4: Simplify right side
212,523,683.36x = 35,104,815,184,333,788 - Step 5: Solve for x
x = 35,104,815,184,333,788/212,523,683.36 - Step 6: Final answer
x = 165,180,720.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.